Dew heater question

Discuss any astro equipment that does not have its own forum, such as focusers, finders, chairs, etc.
Post Reply
User avatar
stewe
Earth Ambassador
Articles: 0
Posts: 22
Joined: Sun Aug 11, 2019 7:07 pm
Location: Heidelberg, Germany
Has thanked: 14 times
Been thanked: 30 times

Dew heater question

#1

Post by stewe » Fri Nov 01, 2019 6:26 pm

Dear Friends,

I badly need a dew heater for my C9 and after researching the possible solutions available in Germany, I am considering to buy this:
Astrozap Dew Heater Band,
to be used with my
Celestron PowerTank Lithium Pro.

My question is:
Does anybody use this combo?
Does it work properly?
In particular, I am wondering if the power connector of the heater band will fit into the outlet of the PowerTank or will I need some kind of an adapter? I have not found any clear information on the latter.

Any help would be greatly appreciated!
Clear skies!
Steve
----------
telescope: Celestron C9.25
mount: Celestron AVX
binoculars: Lacerta 8x42 ED
User avatar
notFritzArgelander
Local Group Ambassador
Articles: 0
Posts: 2960
Joined: Fri May 10, 2019 4:13 pm
Location: Idaho US
Has thanked: 4106 times
Been thanked: 7524 times

TSS Awards Badges

Re: Dew heater question

#2

Post by notFritzArgelander » Fri Nov 01, 2019 7:14 pm

I didn't use a band but rather this heating dew cap https://www.teleskop-express.de/shop/pr ... d-EHD.html

and had no problem with connections. I did wind up preferring a portable rechargeable hair drier though.
Scopes: Refractors: Orion ST80, SV ED80 A f7; Newtonians: Z12 f5; Catadioptrics: VMC110L, Intes MK66. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion Sirius EQG
User avatar
Lady Fraktor
Co-Administrator
Articles: 0
Posts: 1614
Joined: Mon Apr 29, 2019 9:14 pm
Location: Slovakia
Has thanked: 3325 times
Been thanked: 2347 times

Re: Dew heater question

#3

Post by Lady Fraktor » Sun Nov 03, 2019 9:36 pm

The dew heater has a male RCA tip on it, normally you would use a controller to regulate the power going into it.
Plugging it directly into a power source would make it run at 100% all of the time.

I use the Kendrick Premium heaters and either a Kendrick Mark IV controller or a Thousand Oaks controller.
Proper Telescopes: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, TAL MT1C, Vixen SXP w/ HAL-130 & half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Orion Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
🇸🇰Image
User avatar
Graeme1858
Jupiter Ambassador
Articles: 0
Posts: 237
Joined: Mon Jun 24, 2019 7:16 pm
Location: North Kent, UK
Has thanked: 410 times
Been thanked: 429 times

Re: Dew heater question

#4

Post by Graeme1858 » Sun Nov 03, 2019 11:14 pm

I use a dew shield with my C9.25 rather than a band too. It balances with the camera better.

Mine's powered by a bench power supply in the garage from an RCA socket. The powertank doesn't have an RCA socket.

Regards

Graeme
__________________________________________________
Celestron 9.25 f10 SCT, CGX mount.
Canon 600D (Rebel t3i), Altair GPCAM2 290C, 0.5 Reducer.
Miranda 10x50 Binoculars.
User avatar
stewe
Earth Ambassador
Articles: 0
Posts: 22
Joined: Sun Aug 11, 2019 7:07 pm
Location: Heidelberg, Germany
Has thanked: 14 times
Been thanked: 30 times

Re: Dew heater question

#5

Post by stewe » Wed Nov 06, 2019 6:47 pm

Lady Fraktor wrote:
Sun Nov 03, 2019 9:36 pm
The dew heater has a male RCA tip on it, normally you would use a controller to regulate the power going into it.
Plugging it directly into a power source would make it run at 100% all of the time.

I use the Kendrick Premium heaters and either a Kendrick Mark IV controller or a Thousand Oaks controller.
Gosh, I wish I read your reply earlier!
The heater band has just arrived, and it has an RCA connector indeed, so I am scratching my head and searching the internet for an RCA to female 12v or car socket adapter, but so far have found none.
I did not intend to use a controller, since I mostly read that people usually use heater band on full power on similar scopes anyway.
Many thanks for the info!
Clear skies!
Steve
----------
telescope: Celestron C9.25
mount: Celestron AVX
binoculars: Lacerta 8x42 ED
User avatar
Lady Fraktor
Co-Administrator
Articles: 0
Posts: 1614
Joined: Mon Apr 29, 2019 9:14 pm
Location: Slovakia
Has thanked: 3325 times
Been thanked: 2347 times

Re: Dew heater question

#6

Post by Lady Fraktor » Wed Nov 06, 2019 6:53 pm

Your SCT may be alright with running at 100% due to the size but if it stats to induce heat currents in front of the view you will need to unplug it or get a controller of some type.
If you get a normal stereo cable with RCA tips and a cigarette lighter connection you can cut off the one end ans solder the two wires onto the cigarette lighter leads.
There are two wires in the RCA cable, one goes to the center pin and the other to the outer shield.
Proper Telescopes: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, TAL MT1C, Vixen SXP w/ HAL-130 & half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Orion Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
🇸🇰Image
User avatar
notFritzArgelander
Local Group Ambassador
Articles: 0
Posts: 2960
Joined: Fri May 10, 2019 4:13 pm
Location: Idaho US
Has thanked: 4106 times
Been thanked: 7524 times

TSS Awards Badges

Re: Dew heater question

#7

Post by notFritzArgelander » Wed Nov 06, 2019 7:10 pm

My unit had a controller.....
Scopes: Refractors: Orion ST80, SV ED80 A f7; Newtonians: Z12 f5; Catadioptrics: VMC110L, Intes MK66. EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion Sirius EQG
User avatar
Lady Fraktor
Co-Administrator
Articles: 0
Posts: 1614
Joined: Mon Apr 29, 2019 9:14 pm
Location: Slovakia
Has thanked: 3325 times
Been thanked: 2347 times

Re: Dew heater question

#8

Post by Lady Fraktor » Wed Nov 06, 2019 7:15 pm

This will work with any dew heater: https://www.teleskop-express.de/shop/pr ... llars.html
Proper Telescopes: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, TAL MT1C, Vixen SXP w/ HAL-130 & half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Orion Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
🇸🇰Image
User avatar
pakarinen
Pluto Ambassador
Articles: 0
Posts: 408
Joined: Fri Jun 14, 2019 3:33 pm
Location: Illinois
Has thanked: 348 times
Been thanked: 540 times

Re: Dew heater question

#9

Post by pakarinen » Wed Nov 06, 2019 7:54 pm

Amazon sells 12V DC controllers for around $10 that people have used in DIY heaters.
Cheese and ingredients
User avatar
stewe
Earth Ambassador
Articles: 0
Posts: 22
Joined: Sun Aug 11, 2019 7:07 pm
Location: Heidelberg, Germany
Has thanked: 14 times
Been thanked: 30 times

Re: Dew heater question

#10

Post by stewe » Wed Nov 06, 2019 8:43 pm

Lady Fraktor wrote:
Wed Nov 06, 2019 7:15 pm
This will work with any dew heater: https://www.teleskop-express.de/shop/pr ... llars.html
Thanks, I found this one, too. Too bad I'd had to wait until next year for it..
Clear skies!
Steve
----------
telescope: Celestron C9.25
mount: Celestron AVX
binoculars: Lacerta 8x42 ED
User avatar
stewe
Earth Ambassador
Articles: 0
Posts: 22
Joined: Sun Aug 11, 2019 7:07 pm
Location: Heidelberg, Germany
Has thanked: 14 times
Been thanked: 30 times

Re: Dew heater question

#11

Post by stewe » Wed Nov 06, 2019 8:46 pm

pakarinen wrote:
Wed Nov 06, 2019 7:54 pm
Amazon sells 12V DC controllers for around $10 that people have used in DIY heaters.
Good to know, I will look into it. The cheapest controller I found in an "astronomy shop" was ~$70, and the difference sounds quite unjustified to me.
Clear skies!
Steve
----------
telescope: Celestron C9.25
mount: Celestron AVX
binoculars: Lacerta 8x42 ED
User avatar
Lady Fraktor
Co-Administrator
Articles: 0
Posts: 1614
Joined: Mon Apr 29, 2019 9:14 pm
Location: Slovakia
Has thanked: 3325 times
Been thanked: 2347 times

Re: Dew heater question

#12

Post by Lady Fraktor » Wed Nov 06, 2019 9:14 pm

You can do the soldering route, I have done this to make longer cables that did not have connectors in the middle.
Proper Telescopes: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
Mounts: Celestron AS-GT, Celestron CG-5 w/ Argo Navis & tracking motor, SLT w/ pier & tripod mods, Manfrotto 028b w/ SV M2C, Mantrotto 055Pro w/ 128RC, TAL MT1C, Vixen SXP w/ HAL-130 & half pier
Diagonal: 2" A-P Maxbright, 2" Baader Herschel Wedge (P), 2" Zeiss/ Baader Amici Prism (DX2), 2" Orion Amici Prism, 2" Stellarvue DX, 2" TeleVue EverBrite
🇸🇰Image
User avatar
Juno16
Orion Spur Ambassador
Articles: 0
Posts: 967
Joined: Sun May 12, 2019 3:13 pm
Location: Mississippi Gulf Coast
Has thanked: 2107 times
Been thanked: 1047 times

TSS Awards Badges

Re: Dew heater question

#13

Post by Juno16 » Wed Nov 06, 2019 9:45 pm

These work great for diy dew heater controllers. Definitely can’t beat the price.

Of course, I have never used a $70 controller. Been using one of these for about a year with no problems.
55FD476B-FE7D-43B4-8A69-79F5391C54BF.png
Thanks,
Jim
Scopes: Explore Scientific ED102 Triplet APO, Celestron Nexstar 130 SLT.
Mounts: Celestron AVX with Orion MM Autoguider, SLT;
Binoculars: Bushnell 10X50
Camera / Software: Nikon D5300 (Ha mod in progress), Astrophotography Tool, PHD2, SharpCap v3.2, StarTools 1.6 alpha, PE14
Dog: Jack
Sky: Bortle 6
Astro Photos https://flickr.com/photos/157183480@N07 ... 7681236785
User avatar
pakarinen
Pluto Ambassador
Articles: 0
Posts: 408
Joined: Fri Jun 14, 2019 3:33 pm
Location: Illinois
Has thanked: 348 times
Been thanked: 540 times

Re: Dew heater question

#14

Post by pakarinen » Wed Nov 06, 2019 10:15 pm

Yep, those are the controllers mentioned for DIY.
Cheese and ingredients
Post Reply

Return to “Other Accessories”