Today’s SUN (20210721) | 4ARs

https://solarchatforum.com/viewtopic.php?f=4&t=32726

https://youtu.be/mO0-GHZkuaU
ULTRA DEEP IMAGES OF GALAXIES | Pedro RE’ (20210720)
Side by Side Comparison images | HST

http://pedroreastrophotography.com/

Vejam esta comparação de uma imagem do Hubble da M101

Hubble – Hubble image of M101 | ESA/Hubble (esahubble.org)

Pedro Re – m101_TMB152_241X10Min_Median_20200618_DDP_crop.jpg (1800×1800) (pedroreastrophotography.com)

M101. 2410min (241x10min). TMB 152mm F/8, STL11002M, self-guided, Median (Screen Mask Invert), DDP, Paramount ME

https://youtu.be/TDCN4-AC7Qs
LUNT152 F/6 | QUARK Chromosphere
Pedro RE’ | (20210717)
ZWO ASI 174MM | Takahashi EM-400
http://pedroreastrophotography.com/

Today’s SUN (20210717) | QUARK Chromosphere

https://solarchatforum.com/viewtopic.php?f=4&t=32681

https://youtu.be/korWe40KQII
Solar imaging session (20210713) | Pedro RE’
TV101, LUNT152, ZWO ASI 174MM, Takahashi EM-400
http://pedroreastrophotography.com/

FULL SIZE (POSITIVE)
FULL SIZE (NEGATIVE)
FULL SIZE (MOSAIC)
FULL SIZE (POSITIVE)
FULL SIZE (NEGATIVE)
FULL SIZE (MOSAIC)
M017 140Min (14x10Min). TEC 140 F/7, APOGEE ALTA U8300, Median, DDP, Paramount ME.

Comparação com imagens mais antigas com filtros de linha

FULL SIZE
M017. 150min (15x10min). AP130 F/6, FF, STL11000M. Astrodon (6nm), self-guided, SDmask, DDP, Paramount ME. Processed with Maxim DL and Photoshop CS5.
FULL SIZE
M017. 100min (10x10min). AP130 F/6, FF, STL11000M. Astrodon (6nm), self-guided, SDmask, DDP, Paramount ME. Processed with Maxim DL and Photoshop CS5.
FULL SIZE
M017. 70min (7x10min). AP130 F/6, FF, STL11000M. Astrodon (6nm), self-guided, SDmask, DDP, Paramount ME. Processed with Maxim DL and Photoshop CS3.

Today’s SUN (20210710)

https://solarchatforum.com/viewtopic.php?f=4&t=32607