H2-240 or Simeis 147, the Spaghetti nebula, is a supernova remnant in our Milky Way galaxy, in the constellation Taurus. This image is a two frame mosaic obtained through marrowband filters: H alpha (represented as red) and OIII (represented as green and blue). January to March 2023. Click here for a higher resolution image.
Equipment: Takahashi FSQ106N scope, SBIG STL11000 camera with Baader SII, H alpha and OIII filters. ASA DDM85 mount, unguided. Backyard observatory in Pozuelo de Alarcón.
Exposures: 30 x 30 minutes H alpha, and 24 x 30 minutes OIII. Total of 27 hours.
Software: ASA Autoslew and Sequence for image acquisition . PixInsight for image processing, last touches on Photoshop.