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  1. Prikvačeni tweet
    7. kol 2019.

    Two views of early on 7 August 2019 with the flash I recorded. Left shows the moment of impact at 4:07 UTC. Right is an RGB image.

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  2. proslijedio/la je Tweet

    Have a good-sized telescope with a digital camera? Then you can team up with this spring on a really cool deep-space experiment. On April 22 and 23, take images of two of the very nearest stars, Proxima Centauri and Wolf 359.

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  3. 30. sij

    on January 25, 2020. Pretty good night of imaging. Seeing was good, while transparency was excellent as usual for this time of year. Tonight was the first light of my new ZWO IR850 filter.

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  4. 30. sij

    on January 12, 2020. Left my telescope out all night with the hopes of imaging Mars. To my surprise, everything was covered in slushy dew when I came back. The red channel brings out surface features, while blue brings out the ice clouds.

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  5. 30. sij

    on January 12, 2020. Tonight was a chilly one, but it was worth the improved conditions for imaging. This was a first light for my ZWO EFWmini and Celestron StarPointer Pro.

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  6. 30. sij

    Tonight’s local Astronomy on Tap in San Antonio.

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  7. 27. sij

    Mosaic from January 8, 2020. I decided to give the Moon a shot before packing up for the evening. I often use a red filter when making Moon mosaics to cut through the seeing, but I decided to try the green filter this time.

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  8. 27. sij

    on January 8, 2020. Aiming high up in the sky to find Uranus brought back memories of imaging Jupiter when it was nearly overhead on cold winter nights 6 years ago.

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  9. 27. sij

    on January 8, 2020. Improved conditions for imaging compared to December as Venus' elongation from the Sun increases. Tonight it is 80% illuminated and decreasing as it catches up with Earth.

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  10. 26. sij

    Orion from earlier this month. This is an HDR combination of 5, 15, and 30 second exposures to catch both the Trapezium cluster and the surrounding nebula.

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  11. 25. sij

    on December 19, 2019. A difficult night of imaging. Seeing was bad enough to make the green and blue recordings useless, but red was good enough to make a monochrome image.

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  12. 25. sij

    Cutting it close with Polaris and the roof this evening.

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  13. 24. sij

    on December 1, 2019 at 0:33 UTC. Even though seeing was bad while imaging Venus, I decided there was no loss in trying Saturn too. I was surprised by the extreme surface brightness difference between both planets when viewed through an eyepiece.

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  14. 24. sij

    on December 1, 2019 at 0:17 UTC. My first image of Venus since January. I'm hoping to spend more time on the brightest planet in the sky starting this apparition.

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  15. 23. sij

    on October 27, 2019 at 1:12 UTC. Imaging at another star party with a darker sky than anywhere I'm normally at. Conditions were bad for imaging, but the visual views of other targets through the C14 were impressive.

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  16. 22. sij

    on October 23, 2019 at 2:10 UTC. After showing some people Jupiter while imaging it at a star party, I gave Saturn the same treatment.

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  17. 22. sij

    on October 23, 2019 at 1:37 UTC. Unlike most nights where I do astrophotography in isolation, I captured images tonight at a star party with students. Despite the challenges of observing on a building, visitors managed to see the Great Red Spot.

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  18. 20. sij

    on October 20, 2019 at 1:44 UTC. I forgot to bring the AVX power cord home this weekend, but that's not an excuse for me to skip imaging. Manually aiming was surprisingly awkward and difficult. Removing the barlow made aiming easier.

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  19. 19. sij
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  20. 18. sij

    on September 17, 2019 at 3:38 UTC. I wasn't sure I would get the chance to record Saturn since the southern part of the sky was covered when I finished imaging Jupiter, but it worked out after some patience.

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  21. 18. sij

    images from September 17, 2019. Heat plumes coming off the C8 were still an issue when imaging from my university. I have since dug out my Starizona Cool Edge to solve this in the future.

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