- Exposure: Clear
- Mosaic of 9 frames
- All exposures binned 1x1
- Each frame is 9x300s
- Telescope: Stellarvue SV80S @ f/4.77
- Mount: MI-250 GoTo
- Camera: SBIG ST-2000XM CCD, SBIG CFW-8
- Location: My backyard in Goleta, CA
- Date/Time:
- March 30/31, 2005, 20:39-05:07 PST
- Processing: Taken in MaxIm/DL using CCD Commander 100%
UNATTENDED while I slept! Reduced in
CCDSoft. Aligned sub-frames with RegiStar. Combined
sub-exposures
with Ray Gralak's Sigma Clip. Aligned mosaic with RegiStar.
Gradient removal and DDP with MaxIm/DL. Mosaic assembled, curves,
and levels in Photoshop.
|
- Name: M58, M59, M60, M84, M86, M87,
M88, M89, M90, M91, plus many more.
- Type: Galaxies
- Constellation: Virgo and Coma
Berenices
|