SvBony 305 inventory addition.

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Greenman Great Britain
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SvBony 305 inventory addition.

#1

Post by Greenman »


I've thought long and hard about this one:

The Sony 290 chip is very tempting, being larger with a smaller pixel size than the 224, but not vastly different. However following threads on CN has convinced me its worth one final expeniture as the winter season is coming. It is superior for planets, and the 290 chip being sold at this price (under £150) is as cheap as chips. 8-)

The 290C (OSC) has some really possibilites with bright DSO's and it interestes me to use both a DSLR and an astro camera the SV305 has very flexible ROI.

I should pick it up today, lord know when the sky gods will relent this time, our weather is very autumnal indeed. :|
Cheers,

Tony.

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Smart Scope: Dwarf II - Club and outreach work.

AP Refractor: Altair 72EDF Deluxe F6;1x & 0.8 Flatteners; Antares Versascope 60mm finder. ASIAir Pro.Li battery pack for grab & go.

Celestron AVX Mount; X-cel LX eyepieces & Barlows 2x 3x, ZWO 2” Filter holder,

Cameras: main DSO ASI533MC; DSO guide ASI120MM; Planetary ASI224MC; DSLR Canon EOS100 stock.

Filters: Astronomik IR cut; Optolong L-Pro; Optolong L-Enhance.

Binoculars: Celestron 15 x 70.

Latitude: 52.219853
Longitude: -1.034471
Accuracy: 5 m
Bortle 4 site. https://maps.google.com/?q=52.21985,-1.03447

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Graeme1858 Great Britain
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Re: SvBony 305 inventory addition.

#2

Post by Graeme1858 »


My Altair Astro GPCAM2 290C is perfect for planetary on the back of my 9.25 SCT. But that combination is far too over sampled for anything else.

Hope you enjoy your one.

Like your new avatar!

Regards

Graeme
______________________________________________
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.

https://www.averywayobservatory.co.uk/
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Greenman Great Britain
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Re: SvBony 305 inventory addition.

#3

Post by Greenman »


Hi Graeme,

With the Altair’s focal length 555mm, it falls into the good range with Ok and good viewing on Astronomy tools. So I’m hoping I get some OK, or even good seeing at some time... :|

My old avatar disappeared, I thought the Green man was good to. Didn’t make the connection when I signed up.
Cheers,

Tony.

Image

Smart Scope: Dwarf II - Club and outreach work.

AP Refractor: Altair 72EDF Deluxe F6;1x & 0.8 Flatteners; Antares Versascope 60mm finder. ASIAir Pro.Li battery pack for grab & go.

Celestron AVX Mount; X-cel LX eyepieces & Barlows 2x 3x, ZWO 2” Filter holder,

Cameras: main DSO ASI533MC; DSO guide ASI120MM; Planetary ASI224MC; DSLR Canon EOS100 stock.

Filters: Astronomik IR cut; Optolong L-Pro; Optolong L-Enhance.

Binoculars: Celestron 15 x 70.

Latitude: 52.219853
Longitude: -1.034471
Accuracy: 5 m
Bortle 4 site. https://maps.google.com/?q=52.21985,-1.03447

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JayTee United States of America
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Re: SvBony 305 inventory addition.

#4

Post by JayTee »


Tony,

You are right about the CCD suitability calculator (in regards to your gear), but when you go to the FOV calculator you get this and you may be surprised.
290 V 100D.jpg
Cheers,
JT
∞ Primary Scopes: #1: Celestron CPC1100 #2: 8" f/7.5 Dob #3: CR150HD f/8 6" frac
∞ AP Scopes: #1: TPO 6" f/9 RC #2: ES 102 f/7 APO #3: ES 80mm f/6 APO
∞ G&G Scopes: #1: Meade 102mm f/7.8 #2: Bresser 102mm f/4.5
∞ Guide Scopes: 70 & 80mm fracs -- The El Cheapo Bros.
∞ Mounts: iOptron CEM70AG, SW EQ6, Celestron AVX, SLT & GT (Alt-Az), Meade DS2000
∞ Cameras: #1: ZWO ASI294MC Pro #2: 662MC #3: 120MC, Canon T3i, Orion SSAG, WYZE Cam3
∞ Binos: 10X50,11X70,15X70, 25X100
∞ EPs: ES 2": 21mm 100° & 30mm 82° Pentax XW: 7, 10, 14, & 20mm 70°

Searching the skies since 1966. "I never met a scope I didn't want to keep."

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Greenman Great Britain
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Re: SvBony 305 inventory addition.

#5

Post by Greenman »


JayTee wrote: Sat Oct 31, 2020 12:31 am Tony,

You are right about the CCD suitability calculator (in regards to your gear), but when you go to the FOV calculator you get this and you may be surprised.
Image

Cheers,
JT
Hi JT,

Yes I am aware; the DSLR also has the advantage of easy use with the Flattener. I took some moon images with the DSLR and they look OK. M42 gives a similar result to M31, so the 305 will be for selective DSO’s, and it should give a better result with planetary work than the 224 (which has the advantage of also being able to guide). I am putting together a comparison at the moment.

I’m interested in what it can do, there are some images on CN and astrobin that seem reasonable, I’m not expecting too much.

My hope is to have a stepping stone (price wise)for those interested, but not committed to the cost of cooled cameras. True DSO imaging is a costly exercise for the uncertain and a planetary camera with some DSO capability is an intriguing thought 💭.
Cheers,

Tony.

Image

Smart Scope: Dwarf II - Club and outreach work.

AP Refractor: Altair 72EDF Deluxe F6;1x & 0.8 Flatteners; Antares Versascope 60mm finder. ASIAir Pro.Li battery pack for grab & go.

Celestron AVX Mount; X-cel LX eyepieces & Barlows 2x 3x, ZWO 2” Filter holder,

Cameras: main DSO ASI533MC; DSO guide ASI120MM; Planetary ASI224MC; DSLR Canon EOS100 stock.

Filters: Astronomik IR cut; Optolong L-Pro; Optolong L-Enhance.

Binoculars: Celestron 15 x 70.

Latitude: 52.219853
Longitude: -1.034471
Accuracy: 5 m
Bortle 4 site. https://maps.google.com/?q=52.21985,-1.03447

Image
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