EAA Observing Session - 16th January 2023

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Xio1996 Great Britain
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EAA Observing Session - 16th January 2023

#1

Post by Xio1996 »


Hi Everybody,

It has been a long time since I posted but I just had a great EAA session and wanted to share some of the sights.

The equipment used was a Celestron CPC-800 at F6.3 with an an Altair Astro 294C fan cooled camera. The imaging software was the latest SharpCap 4.1 beta.

All the images below were saved as seen from SharpCap and resized in GIMP.

I kicked off the session with a look at an amazing face on spiral, M33 The Triangulum Galaxy. This galaxy is big and full of H11 regions and even its own globular clusters.
M33 - 15s x 131 subs, dark, flat, gain 1800, temp 3.3 deg C.
M33_Stack_131frames_1965s_WithDisplayStretch.png

This view of M33 uses SharpCap's Deep Space Annotation tool to label some of the many objects that are part of M33. The Catalogue was created using AstroPlanner and exported in DSA format.
M33_Stack_49frames_735s_WithAnnotations.png

Next up was NGC 772, The Fiddlehead Galaxy, magnitude 10.3. Directly below NGC 772 is 14th magnitude NGC 770.
15s x 67 frames, dark, flat, gain 1800, temp 3 deg.
Fiddlehead_Stack_67frames_1005s_WithDisplayStretch.png

Another galaxy NGC 1023, Perseus Lenticular Galaxy. A very bright core with two diffuse wings extending East and West.
15s x 60 subs, dark, flats, gain 1800, temp 3.1 deg.
NGC1023_Stack_60frames_900s_WithDisplayStretch.png

NGC 925 in Triangulum is an active barred spiral with two main arms. Quite faint but I enjoyed its structure revealing itself as the frames built up.
15s x 87 frames, gain 1800
NGC925_Stack_87frames_1305s_WithDisplayStretch.png

M77 Cetus A has a central bright core with some well defined structure. The outer structure is very faint but slowly appeared as the stack formed. It appears as a faint haze on the image.
15s x 63 frames, gain 1800.
M77_Stack_63frames_945s_WithDisplayStretch.png

The classic, M1 the Crab Nebula. A lovely coloured cloud of exploding gas and dust. Pushed the colour up to reveal the red edges of the cloud.
15s x 101 frames, gain 1800
M1_Stack_101frames_1515s_WithDisplayStretch.png

A great sight, M35 and NGC2158. The FOV of the CPC-800 even at F6.3 is not wide enough to get these two clusters fully in view.
8s x 41 frames, gain 1800.
M35_NGC2158_Stack_41frames_328s_WithDisplayStretch.png

NGC2158 deserved a look all by itself. This is an amazing tightly packed cluster with a multitude of small stars. The cluster slowly dissipates and ends in fine streamers of stars reaching out into the background star field.
15s x 45 frames, 1800 gain
NGC2158_Stack_45frames_675s_WithDisplayStretch.png

Another classic object the Horsehead Nebula (Barnard 33). This object was one of the first I observed when I started EAA and confirmed that visual astronomy was now dead (to me).
15s x 60 frames, 1800 gain
Horsehead_Stack_60frames_900s_WithDisplayStretch.png

The high clouds started to roll in during the time I was observing the Horsehead, but I still wanted to get my fix of M42 the Orion Nebula. Even through high cloud it is still an impressive site.
4s x 186 frames, gain 1800
M42_Stack_186frames_744s_WithDisplayStretch.png

The last object before the clouds finished the session was M37 in Auriga. An open cluster.
15s x 22 frames, 1800 gain.
M37_Stack_22frames_330s_WithDisplayStretch.png

A really enjoyable session. The conditions were not perfect and the high cloud was determined to spoil the fun. However, watching the various objects building up on the display, revealing more and more structure and colour was amazing!

Have fun and clear skies.

Pete
EAA Observing from the Isle of Wight, UK
Telescope: Celestron CPC800, NexStar 4se - Camera: Altair Astro Hypercam 294c PRO, ZWO ASI 533MM
Software: CPWI, SharpCap, Stellarium, TheSky, SkyChart, Starry Night 8, Aladin, ASTAP and AstroPlanner.
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Re: EAA Observing Session - 16th January 2023

#2

Post by messier 111 »


nice report , thx .
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Re: EAA Observing Session - 16th January 2023

#3

Post by smp »


All excellent images, and a great report!
Thanks for sharing, Pete!

smp
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Re: EAA Observing Session - 16th January 2023

#4

Post by Unitron48 »


Great images...especially M33!! Super EAA session!!

Dave
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Re: EAA Observing Session - 16th January 2023

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Post by kt4hx »


Sorry I missed this before Pete. A nice set of images indeed, well done! As an aside, in your image of NGC 1023, you also picked up its satellite galaxy PGC 10139. It appears as a small slight enhancement at the eastern edge of the disk of NGC 1023. This galaxy is about mag 13.6, and the pair are also known as Arp 135. Your image is very similar to what how I've seen them visually at our dark site. I have attached an annotated copy of your image pinpointing this second galaxy. Good job!

NGC1023_PGC 10139.jpg
NGC1023_PGC 10139.jpg (26.26 KiB) Viewed 203 times
Alan

Scopes: Astro Sky 17.5 f/4.5 Dob || Apertura AD12 f/5 Dob || Zhumell Z10 f/4.9 Dob ||
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Primary Field Atlases: Uranometria All-Sky Edition and Interstellarum Deep Sky Atlas
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Re: EAA Observing Session - 16th January 2023

#6

Post by Graeme1858 »


Some excellent EAA work there Pete.

Looks like you have made a good start to the EAA Messier Challenge too. 😀

Graeme
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Re: EAA Observing Session - 16th January 2023

#7

Post by Bigzmey »


Great session Pete! Beautiful captures.
Scopes: Stellarvue: SV102ED; Celestron: 9.25" EdgeHD, 8" SCT, 150ST, Onyx 80ED; iOptron: Hankmeister 6" Mak; SW: 7" Mak; Meade: 80ST.
Mounts: SW: SkyTee2, AzGTi; iOptron: AZMP; ES: Twilight I; Bresser: EXOS2; UA: MicroStar.
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Re: EAA Observing Session - 16th January 2023

#8

Post by Xio1996 »


kt4hx wrote: Wed Mar 20, 2024 7:13 pm Sorry I missed this before Pete. A nice set of images indeed, well done! As an aside, in your image of NGC 1023, you also picked up its satellite galaxy PGC 10139. It appears as a small slight enhancement at the eastern edge of the disk of NGC 1023. This galaxy is about mag 13.6, and the pair are also known as Arp 135. Your image is very similar to what how I've seen them visually at our dark site. I have attached an annotated copy of your image pinpointing this second galaxy. Good job!


NGC1023_PGC 10139.jpg
Hi Alan,

Thank you for pointing out PGC10139. I fired up AstroPlanner and viewed the full size image. The satellite galaxy was more obvious, but I still would have missed it.

Many thanks.

Pete
EAA Observing from the Isle of Wight, UK
Telescope: Celestron CPC800, NexStar 4se - Camera: Altair Astro Hypercam 294c PRO, ZWO ASI 533MM
Software: CPWI, SharpCap, Stellarium, TheSky, SkyChart, Starry Night 8, Aladin, ASTAP and AstroPlanner.
YouTube 'EAA with an 8-inch SCT' https://www.youtube.com/@Xio2011
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Re: EAA Observing Session - 16th January 2023

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Post by kt4hx »


Xio1996 wrote: Wed Mar 20, 2024 10:52 pm
Hi Alan,

Thank you for pointing out PGC10139. I fired up AstroPlanner and viewed the full size image. The satellite galaxy was more obvious, but I still would have missed it.

Many thanks.

Pete

You're quite welcome Pete. I am a hardcore galaxy chaser (visual only), and I frequently look at people's images of galaxies to see if they captured more than they might realize. I find it fun and honestly a way to keep my eyes and mind tuned in to my favorite class of object. I am sure it is more apparent in a larger scale, but still a subtle object indeed. Good luck and keep up the fine work.
Alan

Scopes: Astro Sky 17.5 f/4.5 Dob || Apertura AD12 f/5 Dob || Zhumell Z10 f/4.9 Dob ||
ES AR127 f/6.5 || ES ED80 f/6 || Apertura 6" f/5 Newtonian
Mounts: ES Twilight-II and Twilight-I
EPs: AT 82° 28mm UWA || TV Ethos 100° 21mm and 13mm || Vixen LVW 65° 22mm ||
ES 82° 18mm || Pentax XW 70° 10mm, 7mm and 5mm || barlows
Filters (2 inch): DGM NPB || Orion Ultra Block, O-III and Sky Glow || Baader HaB
Primary Field Atlases: Uranometria All-Sky Edition and Interstellarum Deep Sky Atlas
---------------------------------------------------------------------------
"Astronomers, we look into the past to see our future." (me)
"Seeing is in some respect an art, which must be learnt." (William Herschel)
"What we know is a drop, what we don't know is an ocean." (Sir Isaac Newton)
"No good deed goes unpunished." (various)
Some people without brains do an awful lot of talking, don't you think?” (Scarecrow, The Wonderful Wizard of Oz)
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Re: EAA Observing Session - 16th January 2023

#10

Post by helicon »


Superb session!
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
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Re: EAA Observing Session - 16th January 2023

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Post by jrkirkham »


Nice collection of images, thanks for posting your report.
Rob
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Re: EAA Observing Session - 16th January 2023

#12

Post by EmeraldHillsSkies »


Xio1996 wrote: Tue Jan 17, 2023 1:21 am Hi Everybody,

It has been a long time since I posted but I just had a great EAA session and wanted to share some of the sights.

...
Awesome. These seem so clear!
EAA Observing from the outskirts of Louisville, Kentucky, USA
Telescope: Celestron RASA 11 - Camera: ZWO ASI2600MC Pro
Software: AstroPlanner (with occasional help from SkyTools 4 Pro), Stellarium, SharpCap and Nina (the latter purely for autofocusing).
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Re: EAA Observing Session - 16th January 2023

#13

Post by StarHugger »


Nice session Pete !
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