Collecting Photons

From Monoceros to Eridadus passing through Orion.

Roll over for an highly stretched negative image. North is up 2612x1066

Objects: Very wide field centered around the Orion-Eridanus superbubble

Constellation: Orion-Eridanus

Coordinates of field center: who cares, really?

Notes: Two panel mosaic; non guided.

Telescope and camera: Canon 50 mm lens closed to f4.0; SBIG STL 11000. Baader Hα 7 nm.

Exposure: 15x16' for each field of the two panel mosaic. 8 hrs total.

Date: 2 nights on 8, 9-12-09.

Software used: acquisition, CCDsoft. Calibration; registration and stacking: CCDstack, Iris; processing: PixInsight, Photoshop CS.

Orion only