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Captured by
Shane Yarnall

LDN 1622

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M1

Started by hakescl, 10/25/2007 04:41PM
Posted 10/25/2007 04:41PM Opening Post
Here is my first try at the Crab nebula. It was a late night, "extra target", shot from last month that I finally had some time to process. This one just needs more time attached, maybe when it is up at a more convenient time of night.

L:R:G:B is 10:7:7:7 minutes in one minute subs.

Charlie

Scope - Meade 16" LX200, mounted Alt-Az; field de-rotator; f6.3 focal reducer
Focus - JMI Motofocus
Camera - SBIG ST-10XE; binned 2x2 (~.88"/pixel)
Software - CCDSoft; TheSky; PHDGuiding
Guiding - Meade 5"/DSI/PHD


Attached Image:

hakescl's attachment for post 39384

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 10/26/2007 12:27AM #1
Nice Catch Charlie,

I agree, this object typically needs a bit more time. I wonder if you have the dark point set a little low and are missing some faint detail at the edges of the object.

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/