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NGC 2903 in Leo

NGC 2903, is a barred spiral galaxy in Leo. It has a bright center, with very active star formation. Estimated distance is around 29 million light years. I recommend clicking on the image for the larger version.


Imaging telescope: AT12 RC astrograph @ f/8

Camera: QHY9M CCD

Filters: Orion 2'' LRGB, Baader 7nm Ha

Mount: AP900 GTO

Guider: Meade DSI Pro II,

Focus: Robofocus

Software: CCD Commander, Maxim DL, Photoshop CC 2014, Pixinsight 1.8

Date: March 10, 14,15,16 2018

Exposure: L: 16x900'' bin1 RGB: 6x600'' bin1 Ha: 6x900''

Total integration: 4 hours

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