Ngc 7293 - Helix Nebula In (l+ha)rgb

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, Baader L,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: 3.5 hours, Lum: 90 min(bin 1x1), Ha: 60 min(bin 1x1), R,G,B: 30,30,30 min(bin 2x2)

Temperature: Ambient (13C), CCD (-10C)

Capture: Nebulosity 2.3.0

Register, Stack: Maxim DL, CCD Stack

Processing: Photoshop CS3

Date: 30 July 2011

Location: Parnon Mount,Arcadia,GR

http://astrophotographia.blogspot.com/

Από τα καλοκαιρινά μου σουβενίρ από τον Πάρνωνα. Άντε και του χρόνου, να είμαστε καλά