Search found 395 matches

by yltansg
Wed Nov 24, 2021 11:17 am
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

This was another HQ image taken with a C11 (with full-aperture D-ERF) and a Solar Spectrum SUNA etalon. The SUNA is a relatively new product from Solar Spectrum. So far I have not seen any images taken by users using a SUNA fitted to a SCT. I will be testing it thoroughly. https://blogger.googleuser...
by yltansg
Mon Nov 22, 2021 8:12 pm
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

21Nov - The solar disk was relatively quiet. Global Oscillation Network Group (GONG) showed 1 sunspot https://blogger.googleusercontent.com/img/a/AVvXsEgWYEYAy_aMEfiG4eIf_Hxm4at695ox3RYmiLWKzzeLxQRxJSzzpcuSpRashksjEAo9TbZZ5YzwEVBoZ6y9zojYLC47ErFYAv9gZEIyhCcVtC1O6lMnu_MAasa-27MJSLFCAGFWANx3xoYY3AG0wC...
by yltansg
Sun Nov 07, 2021 2:11 pm
Forum: Buy and Sell
Topic: WTS: Borg 77ED II (SOLD)
Replies: 2
Views: 366

Re: WTS: Borg 77ED II

Hi KK,

Sent you a PM with an offer :) .

Alfred
by yltansg
Thu Oct 28, 2021 3:23 pm
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

I have applied a different post processing to improve the image I posted on 26 Oct: https://blogger.googleusercontent.com/img/a/AVvXsEjNkdjv67itRyGAwqWvnblZrdkCfWpLjYK-MtSZqWgJ9U_5V0Ly128H5tdQLHinpfs8peNVaIJCXjyOxxefVIBGQRtCYf0ndNcl3579946sGyeeZiiImMbeyigmWHnlDvga1o1VBaBv_ney4G7Fc_QbMsJvjEg9n591zTCo...
by yltansg
Tue Oct 26, 2021 7:16 pm
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

26Oct. Tracking AR2887, it is the one to observe as it harbours beta-gamma magnetic field capable of M-Class flares. https://blogger.googleusercontent.com/img/a/AVvXsEgYCZiFuMWbVIRVu-P_9QfX6pt3JVjjTRtOJSWrWgO6-S_Y_YgzAXye9Vgs9ksKRHGMPmAaWaYD20QT0KoAmSxvczpEb9zRDt_GOJ-mo4vD6HPcuegg8Me6N-r6BSKxdqaWYNh...
by yltansg
Mon Oct 25, 2021 4:17 pm
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

Thanks, Superiorstream for sharing your thoughts. Here is one spot that it worth watching. AR 2887 is growing and it looks promising. https://blogger.googleusercontent.com/img/a/AVvXsEhgLgUpbVCedHV3cWnVlj2py9bu01u1eTjFj2Fvrvm9RuuS7_c4ZEw6ctfjhim1ve41tH614VilYYShFn0zAM544VLtK5m_xnN6Y5i0kg9Uzbm2e9sPZ5...
by yltansg
Sun Oct 24, 2021 9:41 pm
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

24Oct21. Used a 76mm refractor to capture the full disk of the Sun in H-Alpha wavelength. More sunspots are appearing. It should be an interesting week ahead. https://blogger.googleusercontent.com/img/a/AVvXsEhAYdxwMLVpqHUdgJRCcamBKrNeH2uIYJ4U73FYwBhxze3y0yVtzhWEZLmVg-XKd2YJU26zR86qZ1ikcytmRyvATtHz8...
by yltansg
Sat Oct 09, 2021 9:31 pm
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

8 Oct 21, A survey in Calcium-K wavelength. AR2882 started as a stable Active Region, after discharging a few C-Class flares this week has evolved into a restless AR with 'beta-gamma' magnetic field with energy for M-Class flares. This is an image from Solar Dynamic Observatory: https://blogger.goog...
by yltansg
Wed Oct 06, 2021 10:28 pm
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

Hi Vernonfarmer39, The image was taken using a Celestron C11 fitted with a D-ERF, a Daystar Quark Chromosphere and a Basler ace acA1920-155um camera. https://1.bp.blogspot.com/-BBb2h2PeitM/YN09rSVIXWI/AAAAAAABC4E/vTEouyRoA58DnTrP2TQo7mQ6814hu19cwCLcBGAsYHQ/s2048/IMG_20210701_094830.jpg I also have o...
by yltansg
Fri Sep 24, 2021 7:55 pm
Forum: Astronomy Events & Observation Sessions
Topic: Solar cycle 25
Replies: 140
Views: 15092

Re: Solar cycle 25

Adding a pseudo-coloured image of AR2871:

Image

Cheers.

Alfred