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Há 3 dias · Ukraine-Russia war latest: Moscow vows to retaliate against US after missile attack on Crimea. The Russian defence ministry has claimed Ukraine used US-provided weapons in a strike on Crimea ...
Há 4 dias · Backfocus, and help with processing - posted in Beginning Deep Sky Imaging: Hello all, This is my new attempt at using the Orion 3 flattener and AP130GTX, this time with a 10mm spacing giving total back focus of 50mm (versus the 51.5mm recommended by Orion). The corner stars appear to be better than at 11mm, but the right corners have some trailing towards the center (indicating more backfocus ...
Há 3 dias · The deep sky image in the background is provided by the Digitized Sky Survey (acknowledgements). Current close conjunctions List of bright objects (stars brighter than magnitude 9.0 and galaxies brighter than magmitude 14.0) close to Comet C/2023 A3 (Tsuchinshan-ATLAS) (less than 1.5 degrees):
Há 3 dias · RAW images - Beginning Deep Sky Imaging - Cloudy Nights. Cloudy Nights. → Astrophotography and Sketching. → Beginning Deep Sky Imaging. CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.
Há 5 dias · Edited by jdupton, 22 June 2024 - 11:19 PM. Adding Calibration Makes Images Worse - Banding - posted in Beginning Deep Sky Imaging: I have had this issue previously with my D850, but I am now using a 2600MC Pro and am pretty confused... A few weekends ago I went out for my first go at using the camera and accidentily had it in gain 50 mode.
Há 6 dias · NGC 6067 is located in the Norma Star Cloud in the Norma Arm of the Milky Way [7] and is 15 to 20 times as rich as the Pleiades and about the same age. [10] It is thought to be around 102 million years old, and contain 893 solar masses. [2] Two Cepheid variables, QZ Normae and V340 Normae, have been identified as members of the cluster, while a ...
Há 3 dias · 100%. Visibility. Rise: 01:33 Set: 16:21. Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.
