Example of Proper Motion
NGC 1977 in the Constellation Orion
In progress ...
Logbook
Date/Time: January 17, 2025, 10:18 p.m.
Location: Kempt Shore, Nova Scotia, 45°N
Sky: Partly cloudy, -6°C
Moon Phase: Waning gibbous (86%)
Technical: 10-second exposures, 1-hour & 40-minutes integration, line power, no filter, direct wifi
Celestron Origin Photograph
My nebula capture has been cropped to closely match the field of view (FOV) from a photograph taken 131 years ago by A. Riccò (see Ref. 1 below). Waiting for response from the Astrophysical Journal to include Plate VIII in the Riccò article on this page. In progress ...
References
1. "Photograph of the nebula near 42 Orionis made at the Astrophysical Observatory of Catania," A. Riccò, Astrophysical Journal, 2, 164-165 (1895).
