Sunday, May 5, 2019

SN 2019EHK IN MESSIER 100 Taken by Lionel Majzik on May 3, 2019 @ New Mexico, USA

On 29 April, 2019, a Polish amateur astronomer Jaroslaw Grzegorzek discovered a 16.5 magnitude supernova in Messier 100, which is 55 million light-years away from us. Unfortunately, the supernova brightness is significantly reduced by the Messier 100 dust clouds.

On May 3, 2019, I made a remote telescope image of the galaxy and its surroundings. Using my green filter images, Róbert Fidrich measured the brightness of the supernova at a magnitude of 16.32 (+/- 0.08).

iTelescope, T21
03/05/2019 04:36-06:02 UT
3 x 180 s Red (bin2)
3 x 180 s Green (bin2)
3 x 180 s Blue (bin2)
3 x 600 s Luminance (bin1)
Total exposure time: 57 minutes
Telescope: Planewave 17 CDK
Mount: Planewave Ascension 200HR
Focal ratio, length: f/4.5, 1940 mm
Camera: FLI-PL6303E
Processing: Astro Pixel Processor, PixInsight, Adobe PS, LR.

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