10 Sunspots Group

A very active sun today with in total 10 sunspots groups.

Setting : TLAPO 80/480 f/6 with ASI290MM and 0.5x reducer.

Solarfilter : Baader ND3.8

Software : SharpCap Pro, AS3!, IMPPG and CS4.
 

Herschel Objects book

Nice surprise yesterday from my collegue Walter which handed me over "The Complete Guide to the Herschel Objects". The book summarizes Sir William Herschek objects. It describes each of the 2435 objects the author filtered down based on errors from the original lists of between 2478 and 2511 objects.

As I'm working the Herschel 400 list, this book is a nice welcome and maybe a future challenge :)

The Grand Tour

Boarding now, a once in a life time getaway.

My first observation of an Ellerman Bomb

 

When looking at my H-Alpha timelapse I noticed a bright white light popping up beside a filament. The time between between the two pictures is 10 minutes. I found out that this phenomen is known as a Ellerman Bomb or a micro solarflare.

This is the first time I observed and imaged this phenomen.

My first H-Alpha timelapse

 

My first H-Alpha timelapse of the Sun on June 4th.

Setting : SolarMaxIII 70/400 f/5.7 DS BF15 with ASI290MM and reducer 0.5x

Timelapse : picture every 10 minutes; 10 images each 1000frames 

Software : SharpCap Pro, AS3! (5% best off), IMPPG, CS4

Sun H-alpha June 4

Full disk H-Alpha image of the Sun this afternoon.

Setting : SolarMaxIII 70/400 f/5.7 DS BF15 with ASI290MM and reducer 0.5x
Software  : SharpCap Pro, AS3!, IMPPG, CS4

Seeing tool  : 20.000 frames captured, only 1000 saved for processing of which 50 best frames are used for stacking.

Comet C/2017 K2(PanSTARRS)

The next months it will be possible to observe (and image) a special comet. Comet C/2017 K2 (PanSTARRS) is estimated to reach magnitudes around 8. So not visible with the naked eye but as it's the first and only passage near the Sun anything can happen. The comet is an Oort Cloud Comet and after it's passage it will leave our solarsystem.

Some special moments :

- June 18-23 near object IC4665 Summer Beehive Open Star Cluster

- July 14 closest distance 270 million km to Earth

- July 14-18 near object M10 Globular Star Cluster

- August 2-5 near object M107 Globular Star Cluster