M71 (Sge)

M71 (Sge)

Click on the image for a larger version

Date/Site: August 25th, 2011, Rifugio Monte Muro, Maurerberg, Southern Tyrol
Exposure/
Filter:
R: 3 x 600 seconds, G: 3 x 600 seconds, B: 3 x 600 seconds (-15°C)
Camera: SBIG ST10XME, CFW9 with SBIG LRGB-filters, AO-8
Optics/
Instrument:
6"-Newton on Gemini 41 Observatory mount, RCC1 Coma-corrector
Focusing with Robofocus
Calibration, alignment and stacking: MaximDL 5.01,
Levels and curves: Photoshop CS

Comet Garradd was just outside the field of view.
The animation, a crop of several widefield shots, shows the movement of the comet over two hours.

M71 and Komet Garradd, August 25th 2011 from 22:00 to 00:44

Date/Site: August 25th, 2011, Rifugio Monte Muro, Maurerberg, Southern Tyrol
Exposure/
Filter:
11 x 3 minutes
Camera: Canon EOS 1000Da
Optics/
Instrument:
Canon EF 200mm f/2,8-lens
Alignment: PixInsight 1.7,
Levels, curves and animation: Photoshop CS

 

© Friedhelm Hübner, last revision:  20.08.2022