|Object||M16- Eagle nebula|
M16 is situated in the star field of the constellation Serpens. It is actually the hazy looking open star cluster, embedded in the Eagle Nebula. It consists of around 60 stars of 8th mag., these are hot giants of spectral class O & B, born less than 1 million years ago. The Eagle's nebulosity is part gas, with intruding fingers of cold, dark dust cloud. M16 lies 8000 l.y. away.
|Date||16 / 5/ 05|
|Location||BayTop Observatory- Streaky Bay South Australia|
|Instrument||Orion ED80 refractor working @ f7.5|
|Mount||Vixen 'GPDX' controlled by a Mel Bartels Goto System|
|Camera (CCD)||Starlight Xpress HX516 monochrome with Hm, made filter slider|
|Exposures||L: 90' R:30' G:30' B:30' (5' sub exposures all unbinned) Dark frames removed. Extinction factors applied .|
|Guiding||Sky Watcher-f5 ST Refractor & a Meade LPI imager attached with main scope on a home made accessory plate|
|Filters||Astronomik Type 2 CL-.RGB set|
Conditions- Very heavy dew, seeing started out ok and deteriorated as did the transparency. Heavy fog moved in on the last of the blue channels. Object @ 70deg.
Both the rgb sets and lum have been 'drizzle combined' in IRIS to improve resolution and eliminate artifacts.