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Sh2-86 (NGC-6820)

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A Double Globular Cluster in Coma Berenices

Started by eafrica, 06/10/2011 01:32AM
Posted 06/10/2011 01:32AM | Edited 06/10/2011 12:49PM Opening Post
Hello all,

M53 and NGC 5053 in Coma Berenices come closest to being a double-globular cluster counterpart to the glorious Double Cluster in Perseus. I managed to snag this pair last April from my remote site at Rancho Hidalgo in New Mexico.

Exposure Details:
L: 9 x 10 minutes Binned 1x1
R: 5 x 10 minutes Binned 1x1
G: 5 x 10 minutes Binned 1x1
B: 5 x 10 minutes Binned 1x1

Equipment Used: Takahashi TOA-130F with flattener on an Astro-Physics 1200GTO mount. SBIG STL-6303 camera with STL-FW8 filter wheel and Astrodon LRGB filters. Self-guided using the STL-6303's built-in guide chip, positioned via an Astrodon Takometer camera rotator.

Acquisition Software : MaximDL 5, TheSky6, CCDAutopilot 4
Processing Software: MaximDL, Photoshop CS4, IrFanView

More details on this pair can be seen at:
http://www.skiesbyafrica.com/Clusters/M53-NGC5053.html

A 75% sized image can be seen at:
http://www.skiesbyafrica.com/Clusters/Images/M53/M53-2011.jpg

Comments and suggestions welcome.
Clear skies!
Eric


Attached Image:

eafrica's attachment for post 53543
Posted 06/10/2011 02:19PM #1
Beautiful shot! My fave "double globular," though, is NGC 6528/6522.

Uncle Rod

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Waste it with Uncle Rod's Astro Blog!

http://uncle-rods.blogspot.com/
Posted 06/12/2011 12:43PM #2
I like this shot. Nicely framed. More objects I need to add to my queue...

Charlie

Fort Lewis Observatory: (37.238, -108.052) ~2360m (7744 ft.) elevation.
Darkness - typically 6.5+
Scope - Meade 16" LX200; f6.3 focal reducer
Focus - JMI Smart focus
Camera - SBIG ST-10XE; (~.5"/pixel)
Guiding - AO-8 and/or Meade 5"/DSI/PHD
http://www.fortlewis.edu/observatory
Posted 06/12/2011 07:33PM #3
Very cool image Eric. I love this pair and aI like what you did with the image.

By "remote" site. Do you mean you are acquiring data remotely with your set up (i.e. scripted, fully automated targeting and acquiring)? Or are you present on site which is remote from your residence?

Jim Thommes

Mak-Newt 152 mm
C8
Megrez II APO
Zenithstar 66 mm APO
G11/Gemini
ST8300M
Artemis285 Camera
Canon 350D DSLR

http://jthommes.com/Astro/