IC 1396 - Elephant's Trunk Nebula in HST

IC 1396 - Elephant's Trunk Nebula in 6 filters (SII_Ha_OIII + RGB data)



Telescope: APM Astrograph 107, f/6.5 with Baader Steeltrack Focuser and 2.5'' TS FF
Mount: NEQ6 Pro with EQ Mod and XBOX Wireless Controller
Camera: ATIK 314L+
Image Scale: 1.91 arcsec/pixel
Filter: Baader Ha 7nm, OIII 8.5nm, SII 8nm, Baader R,G,B, IDAS LPS
Filter Wheel: Starlight Xpress Motor USB, 7x1.25''
Guide Camera: QHY5 with PHD Guiding and TS UV/IR Block
Guide Scope: Skywatcher Finderscope 8x50
Total Exp. Time: 6 hours (Ha: 150 mins, O3, S2: 60,60 min, R,G,B: 30,30,30 min)
Temperature: Ambient (13C), CCD (-5C)
Capture: Nebulosity 2.3.0
Register, Stack: Maxim DL, CCD Stack
Processing: Photoshop CS3
Date: 10 June 2011 & 8 July 2011
Location: Ag. Panteleimon & Grammatiko, Attica, GR