NGC7000 North American Nebula and Pelican

Date: 16 October 2004

Telescope: Pentax 105mm f2.8 SMC Takumar at f4.5 on Gemini G-41 mount

Guiding: ST-4 Autoguider with Bosma 80mm f6  refractor on side-by-side plate.

Camera: Genesis KAF-1602E with Astronomik FR-4 filterwheel.

Location: Tai Mei Tuk, Hong Kong

Exposure: Astronomik Hydrogen-alpha:  unbinned     10 x 10mins

Software: Image acquisition by MaximDL, calibration and auto-alignment also in Astroart, sigma-combined by Sigma, and final brightness adjustment in Photoshop.

Comment: Hazy sky and light pollution!