GALLERY

Comet C/2009 P1 (Garradd) alongside the small galaxy NGC 6408 (PGC 60637) in Hercules

LRGB combination - spikes added (Click for a larger view 1200 x 1200 px)

Details

Comet C/2009 P1 (Garradd) alongside the small galaxy NGC 6408 (PGC 60637) in Hercules

Seeing: Good - Pickering 7 rating
Optic(s): Celestron 11" SC + Alan Gee II telecompressor @ f/6.3
Mount: CGE
Camera: Artemis Art 4021 - monochrome CCD camera – 2048 x 2048 px ; 16x16 mm; 7.4 µm x 7.4 µm
Filters: Astronomics LRGB Set, SupaSlim TrueTechnology Computerized Filter Wheel
Dates/Times: 2011-10-29 / UT 17:15:00
Location: Rozhen Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exposure Details:

L= 5 min, R = 5 min,G = 5 min, B = 5 min, (Bin 1), Total Exposure Time - 20 min

More details: Dark frames reduction
Guiding: Starlight Xpress Lodestar Autoguider on APO 90/600+barlow @ f/13.4
Processing:

PixInsight / PS

GALLERY


All Contents copyright Velimir Popov unless otherwise noted.